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aleksandrvk [35]
3 years ago
7

Summarize the four steps to natural selection

Biology
1 answer:
Anna11 [10]3 years ago
5 0

Overproduction - An organism gives birth to too many children

Genetic Variation - The offspring each have genetic differences in appearance, behavior, etc

Struggle to Survive - Offspring must fight in order to gain essential resources (food, water, mates, etc)

Successful Reproduction - Organism produces offspring with beneficial adaptations that aid in survival

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Which geological feature is most common at oceanic-continental convergent boundaries?
alex41 [277]

Trenches are geological feature is most common at oceanic-continental convergent boundaries.

Explanation:

Usually, the oceanic plate, because it is denser, becomes subducted underneath the continental plate. The enormous stress of the two colliding plates causes the plates to warp abit downwards along the boundary causing a trench to form that stretches the boundary.

As the oceanic plate gets subducted and ‘dives’ into the mantle, it begins to melt into magma. Usually, due to the enormous stress along the boundary, fissures develop on teh continental plate along teh boundary. The magma rises through these fissures and erupts at the surface. Several mountains form long the boundary forming another signature geological feature of convergent boundary which is volcanic arc mountains.

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Why is osmosis important to cell function???????
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It helps move wastes out of the cell and allows water and nutrients to move into the cell
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3 years ago
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Why did Andrew jackson use work like savages and annihilated in his message to congress on lndian removal
Stells [14]

Because of his inter course with indians

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What is it called when a segment of a chromosome is lost
Nutka1998 [239]

Answer:

Translocation

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Sometimes a piece of chromosome will attach onto a different, non- homologous chromosome that has also lost a piece.

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A total of _____ amino acids compose the majority of protein in living things and nine are _____ to human
Delicious77 [7]

Most proteins in living organisms are composed of 40 amino acid residues in total, and nine of those are crucial for human health.

Which majority of amino acids make up proteins in living things?

  • Only twenty different amino acids, each with a distinct side chain, make up proteins. Different chemistries can be found in the side chains of amino acids. The majority of amino acids contain side chains that are nonpolar.
  • There are nine essential amino acids:
  1. tryptophan
  2. valine
  3. isoleucine
  4. leucine
  5. lysine
  6. methionine
  7. phenylalanine
  8. threonine
  9. methionine

What Constitutes Proteins?

  • Amino acids are the basic units of proteins. They are tiny chemical compounds with an alpha (central) carbon coupled to an amino group, a carboxylic acid group, hydrogens, and a changeable element known as a side chain.
  • A protein is made up of a lengthy chain of amino acids that are connected by peptide bonds. The biological process that links the carboxyl unit of one amino acid towards the amino group of a nearby amino acid results in the extraction of a water molecule, forming peptide bonds. The main structure of a protein is thought to be its linear amino acid sequence.

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